UPSA Object Registry
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IRAS 4B1 South

YSO SIMBAD Y*O 48 papers
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
03h 29m 12.06s
Declination
+31° 13′ 01.7″
Galactic l, b
158.41, -20.58

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
[JCC87] IRAS 4B YSO 0.3509″ —
IRAS 4B1 North YSO 3.7″ —
[JCC87] IRAS 4B2 smmRad 9.498″ —
HH 7-11(C) Maser 18.45″ —
[JCC87] IRAS 4 FarIR 28.49″ —
[JCC87] IRAS 4A1 YSO 35.15″ —
[TLL2016] Per-emb-12-A Radio 35.15″ —
[JCC87] IRAS 4A YSO 35.39″ —
[JCC87] IRAS 4A2 YSO 36.88″ —
[TLL2016] Per-emb-12-B Radio 36.92″ —
SSTc2d J032910.6+311340 YSO Candidate 42.36″ —

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/iras-4b1-south · Registry entry updated 2026-08-14.